5ST3020

Siemens

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Full 24 months warranty
Worldwide Delivery

Condition: New Sealed

£10.50

Est. shipping: October 26 2026

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30+ in stock
Full 12 months warranty
Worldwide Delivery

Condition: New

£28.50

Est. shipping: October 09 2026

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Low stock
Full 12 months warranty
Worldwide Delivery

Condition: Used

£9.50

Est. shipping: October 09 2026

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Our Warehouse Description:

The 5ST3020 is an auxiliary switch designed for use with miniature circuit breakers. It features a fault signal contact configuration with one normally open (NO) and one normally closed (NC) contact, suitable for monitoring and signaling fault conditions. The device has a depth of approximately 70 mm and a height of around 90 mm, with a cross-sectional capacity of 2.5 mm². It is compatible with various Siemens miniature circuit breaker series, including 5SL, 5SY, 5SP, RCBO 5SU1, and FI 5SV.

The above description is based on our office/warehouse notes. Some data may be inaccurate - refer to your part number.

Part Number:
5ST3020
Manufacturer:
Availability:
75+ available from our partners
Conditions:
New Sealed, New, New Without Original Box and Used
Warranty:
Full 24 months warranty
Full 12 months warranty
Lead Time:
Need it Faster? Please Check With CJS
System ID Number:
8537186
Shipping:
We deliver worldwide
Weight:
0.06kg
Dimensions:
82mm x 92mm x 18mm
Also Known As:
5ST3020

Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.

***CJS Automation is NOT an authorised distributor of Siemens***

Part Description:
Fault signal contact 1 NO+1 NC, for miniature circuit breaker 5SL, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)
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